HMC478MP86

Overview

The HMC478MP86 is a SiGe Heterojunction Bipolar Transistor (HBT) Gain Block MMIC SMT amplifier from Analog Devices Inc. It operates over a frequency range of DC to 4 GHz. The device provides a typical gain of 22 dB with a noise figure of 2.5 dB. It requires an operating supply current of 62 mA. Packaged in a Micro-P form factor, this component serves as a versatile RF/IF gain stage suitable for cascading or driving local oscillators and power amplifiers.

Feature Summary

• Utilizes SiGe HBT technology for high-performance signal amplification
• Operates across a wide bandwidth from DC to 4 GHz
• Designed for low-noise applications with a 2.5 dB noise figure
• Compact Micro-P surface mount package facilitates integration

Applications

• Cascaded 50 Ω RF/IF gain stages
• Local oscillator drivers
• Power amplifier drivers

Procurement Notes

Verify the specific suffix MP86 corresponds to the Micro-P package variant when sourcing. Confirm that the required operating supply current of 62 mA aligns with your system's power budget. Ensure the design supports the DC to 4 GHz operational range. Cross-reference the datasheet for pin configuration details to guarantee correct PCB layout and thermal management strategies are implemented prior to procurement.

Selection Notes

Select the HMC478MP86 when a broadband amplifier covering DC to 4 GHz is required. Consider its 22 dB gain and 2.5 dB noise figure for sensitive receiver chains. Evaluate the 62 mA supply current against available power resources. The Micro-P package size should fit within the spatial constraints of the target application compared to larger footprint alternatives.

Part Context

This component belongs to the HMC478 family of SiGe HBT gain block MMICs. These devices are engineered for general-purpose RF amplification tasks. The family offers consistent performance characteristics across different package options, allowing designers to choose form factors based on assembly requirements while maintaining core electrical specifications like gain and noise performance.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source documentation. Verify compatibility with existing circuit designs before considering alternative components. Consult official manufacturer channels for updated replacement lists or direct equivalents that match the DC-4 GHz specification and Micro-P packaging.